/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.s2graph.counter.core

/**
 * ranking score and increment value
 * @param score ranking score
 * @param increment increment value for v1
 */
case class RankingValue(score: Double, increment: Double)

object RankingValue {
  def reduce(r1: RankingValue, r2: RankingValue): RankingValue = {
    // maximum score and sum of increment
    RankingValue(math.max(r1.score, r2.score), r1.increment + r2.increment)
  }
}
